Vitamin D3 and K2 are essential nutrients that work together to support bone health, immune function, and cardiovascular health. Vitamin D3 aids in calcium absorption, while Vitamin K2 helps direct calcium to the bones and teeth, preventing it from accumulating in the arteries.
You'll also get a bunch of other free stuff like a bottle of D3 K2 and five of the upgraded travel packs with your first subscription.
""Mentioned as a bonus item included with a subscription, indicating its value as a health supplement."